European Shares Poised For Mixed Open

European stocks are seen opening broadly lower on Wednesday, though London's FTSE 100 index may benefit from elevated crude oil prices, driven by escalating tensions in Iran and potential U.S. intervention.A cautious undertone may prevail as investors await cues from earnings and a potential U.S. Supreme Court ruling on tariffs the White House has been enforcing.Following JPMorgan's results Tuesday, earnings from rivals Bank of America Corp., Wells Fargo & Co., Citigroup Inc., Goldman Sachs Group Inc. and ...