A selloff in Shanghai and poor guidance from Perfect World (PWRD -7.9%) lead some Chinese Internet stocks to underperform. YY -7.1%. BIDU -2%. SINA -2.5%. GAME -2.6%. Citi has downgraded Perfect World to Neutral on sales and margin concerns. On the earnings call, management mentioned sales of PWRD's popular Torchlight 2 game are expected to see a Q1 drop. One title the company has high hopes for (Neverwinter) will launch in Q2, while two others (Saint Seiya and Swordsman Online) are expected around mid-year.