Janus Henderson Group PLC’s holdings in Corning were worth $13,830,000 as of its most recent filing with the Securities and Exchange Commission. Insiders have sold a total of 160,655 shares of company stock valued at $30,692,560 in the last three months. Corning Stock Up 9.1%Corning stock opened at $159.93 on Wednesday. Finally, Zacks Research downgraded Corning from a “strong-buy” rating to a “hold” rating in a research note on Tuesday, May 26th. Ten research analysts have rated the stock with a Buy rating and six have given a Hold rating to the stock.