Momentum Stocks: Yelp Inc (NYSE:YELP), SINA Corp (NASDAQ:SINA), Twitter Inc (NYSE:TWTR), Facebook Inc (NASDAQ:FB)

Online review website Yelp Inc (NYSE:YELP), launched a restaurant-reservation service with no fees. Yelp Reservations will let restaurants in the U.S., Canada, Ireland and U.K. take bookings for free — as long as they maintain a Yelp (YELP) profile page. Yelp Inc (NYSE:YELP), net profit margin is -3.00% and weekly performance is 6.52%. On last trading day company shares ended up $55.53. Analysts mean target price for the company is $84.97. Yelp Inc (NYSE:YELP), distance from 50-day simple moving average (SMA50) is -24.19%.

Stock analysts at Goldman Sachs assumed coverage on shares of SINA Corp (NASDAQ:SINA), in a report issued on Tuesday,Analyst Ratings Net reports. The firm set a “buy” rating on the stock. SINA Corp (NASDAQ:SINA), fell 0.72% in last trading session and ended the day on $48.28. SINA, Gross Margin is 59.20% and its return on assets is 2.10%. SINA Corp (NASDAQ:SINA), quarterly performance is -28.97%.

Twitter Inc (NYSE:TWTR), shares rose almost 6% to $33.94 after SunTrust Robinson Humphrey analyst Robert Peck raised his rating on the social-networking company to buy from neutral, with a price target of $45 a share. Peck called Twitter “one of the few platforms of the Internet” along with Google, Amazon, Facebook and LinkedIn, “that has a long runway in its core business.” Twitter Inc (NYSE:TWTR), shares moved down 1.62% in last trading session and was closed at $33.39, while trading in range of $ 32.89 – 34.06. Twitter Inc (NYSE:TWTR), year to date (YTD) performance is -47.54%.

Now that Facebook Inc (NASDAQ:FB),has sorted its advertisement business out, it seems to be expanding by developing its offerings for as yet untapped markets. According to recent reports, the social media giant is planning on opening an office in China, even though its own services are banned in the country.Facebook Inc (NASDAQ:FB), ended the last trading day at $59.83. Company weekly volatility is calculated as 3.48% and price to cash ratio as 12.16. Facebook Inc (NASDAQ:FB), showed a positive weekly performance of 2.22%.