Twitter (NYSE:TWTR) stock fell Thursday as analysts voiced concern a day after news reports said the microblog could name co-founder and interim CEO Jack Dorsey as its permanent CEO as early as today. Twitter has not confirmed the report, first made Wednesday on tech news site Re/Code. Twitter stock was down more than 6% in midday trading in the stock market today, near 25. Since the start of the year, Twitter stock has sunk 31% and fallen below its November 2013 IPO price of 26. Making Dorsey the company's permanent CEO is "not ideal," wrote Monness Crespi Hardt analyst James Cakmak in an industry note on Thursday. News reports have said Dorsey would continue to serve as CEO of his 6-year-old payment startup Square after becoming CEO of Twitter, and Cakmak expressed reservations. "Twitter and Square are well developed assets facing growing competition and every move each company makes from... More