Stocks of Yahoo (NASDAQ:YHOO) fell Tuesday after the company announced its lawsuit against Facebook.Yahoo’s stock was down 0.4% at $14.43.Yahoo! (NASDAQ:YHOO) has potential upside of 21.2% based on a current price of $14.48 and an average consensus analyst price target of $17.56.Yahoo! is currently below its 50-day moving average (MA) of $15.40 and below its 200-day MA of $14.95.In the last five trading sessions, the 50-day MA has fallen 0.55% while the 200-day MA has slid 0.15%.