Yucheng Technologies Swings To Loss By: MarketMinute.com Stock News January 29, 2010 at 12:22 PM EST Yucheng Technologies Ltd. (Nasdaq: YTEC) swung to a fourth quarter loss of 28 cents per share from a profit of 24 cents per share a year earlier as revenue tumbled. The stock price plummeted $2.94 to $3.80.