The following factors could affect Italian markets on Thursday. Reuters has not verified the newspaper reports, and cannot vouch for their accuracy. New items are marked with (*). For a complete list of diary events in Italy please click on IT/DIA . POLITICS Italy's Prime Minister Giorgia Meloni and top business lobby Confindustria warned on Wednesday that looming U.S. tariffs would have a major impact on the country's exports and already struggling economy. ECONOMY March services PMI HCOB data (0745 GMT). COMPANIES UNICREDIT CRDI.MI The European Central Bank may take further steps if it judges that Italy's second-largest bank has not adequately complied with demands to reduce its business in Russia, the Italian bank said on Wednesday in an investor document. UNICREDIT, BANCO BPM BAMI.MI France's Credit Agricole CAGR.PA got the all clear to take a bigger stake in Italy's Banco BPM on Wednesday, posing a hurdle to UniCredit which said on the same day it would launch its 14-billion-euro tender offer for BPM on April 28. ENI ENI.MI The energy group has received initial expressions of interests for a 15% stake in its renewables unit Plenitude that value it as much as 13 billion euros including debt, Bloomberg reported on Wednesday. Board meeting on ex-dividend approval. MFE-MEDIAFOREUROPE MFEB.MI The TV group controlled by the Berlusconi family said on Wednesday it would offer 4.47 euros per share and 0.4 newly issued A-shares MFEA.MI in exchange of each share of German peer ProSiebensat.1 PSMGn.DE , after Germany's financial watchdog BaFin set the statutory minimum share price for the bid at 5.74 euros per share. PIRELLI PIRC.MI Executive Vice-Chairman Marco Tronchetti Provera said on Wednesday, as quoted by Italian news agencies, that he was confident that an agreement on governance issues would be found with top Chinese investor Sinochem 600500.SS , removing a potential hurdle for plans to boost production in the U.S. to limit the impact of tariffs. EDISON EDNn.MI Annual and extraordinary shareholders' meetings (0900 GMT). BEGHELLI BE.MI Italian electronics group Gewiss said on Wednesday it had crossed the 90% threshold in its bid for the emergency lightning group, and as a consequence it will delist the company. DIARY Rome, Senate holds 'Question time' session with Industry Minister Adolfo Urso (1300 GMT). Rome, Industry Minister Adolfo Urso and Economy Minister Giancarlo Giorgetti host meeting on STMicroelectronics STMPA.PA (1000 GMT). Rome, news conference and presentation of first Italian luxury train "La Dolce Vita Orient Express" with Defence Minister Guido Crosetto, Economy Minister Giancarlo Giorgetti, Industry Minister Adolfo Urso (0900 GMT), state railways Ferrovie dello Stato (FS) CEO Stefano Antonio Donnarumma. Rome, Industry Minister Adolfo Urso and Labour Minister Marina Elvira Calderone attend second edition "Innovation Training Summit" (0800 GMT). Rome, Economy Deputy Minister Maurizio Leo attends event "Dialogues for competitiveness. Growth strategies and taxation: innovation and governance to compete in the future" (1400 GMT). Milan, Environment and Energy Minister Gilberto Pichetto Fratin attends event on "Energy transition and the nuclear industry in 2025" (0725 GMT). Limbadi (Vibo Valentia), Prime Minister Giorgia Meloni attends inauguration of a new Carabinieri police station (1500 GMT). ((Milan newsroom, e-mail: reutersitaly@thomsonreuters.com)) For Italian market data and news, click on codes in brackets: 20 biggest gainers (in percentage)............ .PG.MI 20 biggest losers (in percentage)............. .PL.MI FTSE IT allshare index .FTITLMS FTSE Mib index........ .FTMIB FTSE Allstars index... .FTSTAR FTSE Mid Cap index.... .FTITMC Block trades.......... .BLK.MI Stories on Italy...... IT-LEN For pan-European market data and news, click on codes in brackets: European Equities speed guide................... EUR/EQUITY FTSEurofirst 300 index.............................. .FTEU3 DJ STOXX index...................................... .STOXX Top 10 STOXX sectors........................... .PGL.STOXXS Top 10 EUROSTOXX sectors...................... .PGL.STOXXES Top 10 Eurofirst 300 sectors................... .PGL.FTEU3S Top 25 European pct gainers....................... .PG.PEUR Top 25 European pct losers........................ .PL.PEUR Main stock markets: Dow Jones............... .DJI Wall Street report ..... .N Nikkei 225............. .N225 Tokyo report............ .T FTSE 100............... .FTSE London report........... .L Xetra DAX............. .GDAXI Frankfurt market stories .F CAC-40................. .FCHI Paris market stories... .PA World Indices..................................... 0#.INDEX Reuters survey of world bourse outlook......... EQUITYPOLL1 Western European IPO diary.......................... WEUIPO European Asset Allocation........................ EUR/ASSET Reuters News at a Glance: Equities............... TOP/EQE Main currency report:............................... FRX/