Dow gives up 3% rally after worst day since March

Large Facebook Option Traders Dumping Calls Following Difficult Week

Facebook, Inc. (NASDAQ: FB) shares are now up 11% year to date.On Friday, the largest of a series of Facebook option trades were more bearish than bullish, suggesting smart money is taking profits on Facebook's recent run.The TradesOn Friday, Benzinga Pro subscribers received 11 option alerts related to unusually large trades of Facebook options. Here are a handful of the biggest: * At 9:48 a.m., a trader sold 13,075 Facebook call options with a $230 strike price expiring in June 2021 at the bid price of $35.25. The trade represented a $46 million bearish bet. * At 9:54 a.m., a trader bought 500 Facebook call options with a $230 strike price expiring in June 2021 at the ask price of $35.25. The trade represented a $1.76 million bullish bet. * At 10:11 a.m., a trader sold 494 Facebook call options with a $260 strike price expiring on Aug. 21 at the...

Avoid Merck Stock Until Shares Pull Back

Merck (NYSE:MRK) is truly a great pharmaceutical company, but MRK stock has already moved up over 24% from its recent lows this year. Moreover, the stock is very close to its average dividend yield and target price -- based on its average price-earnings ratio. That's why investors should stay clear until shares pull back.Source: JHVEPhoto / Shutterstock.com Don't get me wrong. I still think Merck is a very worthwhile company. It has a large $191 billion market value, a reasonable dividend yield and a good P/E ratio.For example, the dividend yield is 3% at today's price and it has a forward P/E ratio of just 14.6 times, according to Seeking Alpha. These are relatively cheap investment ratios for such a large drug company.InvestorPlace - Stock Market News, Stock Advice & Trading TipsInvestors should definitely consider buying this stock at some point in their investing career. But just not right now. The...