Yelp reported fourth-quarter numbers this week, with the local business review site growing revenue 65% year over year. The San Francisco-based firm lost 8 cents a share on $41.2 million in revenue during the fourth quarter. Analysts polled by Thomson Reuters were expecting the review aggregator to lose 5 cents a share on $40.29 million. Yelp provided first-quarter and full-year 2013 revenue guidance. For the first quarter, Yelp expects net revenue between $44 million and $44.5 million, growth of 62% compared to the first quarter of 2012. For the full year, Yelp believes sales will range between $210 million and $212 million, a 53% year-over-year rise. Shares of Yelp closed the week higher, ending up 6.74% to finish at $21.85. Zynga, famous for its -Ville games, beat analysts' expectations, earning a profit this quarter. Excluding items, the San Francisco-based social gaming company earned 1 cent a share on $311.1 million in revenue for the fourth quarter. Analysts polled by Thomson Reuters were looking for a loss of 3 cents a share on $212.1 million in sales. For the full year, Zynga reported $1.28 billion in sales, up 12% year over year, as daily active users (DAUs) increased from 54 million in the fourth quarter of 2011 to 56 million at the end of 2012. DAUs decreased 6% sequentially from the third quarter to the fourth quarter. For the first quarter of 2013, Zynga said it expects revenue to be between $255 million and $265 million, losing between 4 cents and 2 cents a share. Shares of Zynga closed out the week higher, gaining 28.95% to finish at $3.43. Sprint ( S) also reported quarterly numbers this week, receiving an iPhone boost. The telecom company lost 44 cents a share on $9 billion in revenue, up from $8.7 billion in the prior year's quarter. Analysts surveyed by Thomson Reuters were looking for a loss of 46 cents a share on $8.92 billion in revenue. Sprint said it sold 2.2 million iPhones during the quarter, of which 38% went to new customers. For the year, 6.6 million iPhones were sold, out of 20 million smartphones in total. Shares of Sprint rose this week, gaining 1.41% to finish at $5.77.