We could be on the verge of another major oil M&A boom like the historic one that brought Exxon and Mobil together. Mergers and acquisitions have the potential to shake up a market and send some stocks soaring, but the best industry plays aren’t all that obvious.

On Sep 11, 2014, Sprague Operating Resources LLC, a fully-owned affiliate of downstream energy player Sprague Resources LP (SRLP - Snapshot Report), entered into a definitive agreement with Metromedia Gas & Power Inc and Metromedia Energy.

Insider buying declined last week with insiders buying $42.41 million of stock compared to $115.81 million in the week prior. Selling also decreased with insiders selling $910.43 million of stock last week compared to $2.29 billion in the week prior.