The Labor Department reports the U.S. economy added 120,000 jobs in March, a disappointing number compared to economists' expectations. Manufacturing, though, continues to play a major role in the U.S.'s economic recovery. Apple users got a wake-up call after 600,000 Macs were reportedly infected with a virus. AT&T workers could strike this weekend if negotiations fail. Youth unemployment in Europe is at dangerous levels. And a financial trader known as the "London Whale" is making a splash on Wall Street for making massive bets on complicated financial markets.