Stocks are lower after starting the day on a high note as investors turn their attention back to oil prices.

Crude is falling further this morning after Goldman Sachs became the latest investment firm to slash forecasts.

Wall Street is also bracing for earnings season to kick off.  Alcoa (AA) reports results after the close. Big banks, such as Bank of America (BAC), Citigroup (C) , Goldman Sachs (GS) and JPMorgan Chase (JPM) are due to report earnings throughout the week.

Yahoo Finance Editor-in-Chief Aaron Task says S&P earnings forecasts for the fourth quarter are for growth to be the lowest since 2012.

“Right now, there’s a little bit of pessimism as you look into what’s coming for the fourth quarter and already what’s being baked in for the first quarter. The question is, how much of it that was priced in the two plus percent drop we’ve seen in the past couple of weeks," Task points out. 

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M&A in drug industry is back after a slew of deals in 2014.

NPS Pharmaceuticals shares (NPSP) are higher after Irish-based drugmaker Shire (SHPG) agreed to buy the U.S. firm for $5.2 billion dollars in cash, or $46-dollars a share.  The deal will help boost its portfolio with medicines used to treat rare diseases.  Shares of Shire were lower on the news

Foundation Medicine (FMI) are soaring after Swiss drug maker Roche Holdings will pay about $1 billion for a majority stake in the U.S. gene-sequencing firm.  Roche, which is already the world's biggest maker of cancer drugs, said the move will help it to develop new treatments for cancer.

Related: Tiffany tumbles; Lululemon shares make a high lunge; Tesla heads in reverse

Tiffany (TIF) shares are lower.  The high-end jewelry retailer cut its earnings outlook for 2015 after posting disappointing sales for the holiday season. Total sales fell 1% due to a big drop in Japan.

On the flipside... Lululemon (LULU) shares are trading higher this morning.  The women's exercise clothing company boosting its profit and sales outlook after a strong holiday season.   Lululemon is making a big comeback after some stumbles the past couple of years...the stock up more than 50% since June.

Tesla (TSLA) shares heading in reverse.  The "new economy" carmaker facing a challenge from "old economy" General Motors. GM today unveiling a new electric car, the Chevy Bolt, which will travel 200 miles on a single charge. And it only costs $30,000.

Related: GM vs. Tesla: It's electric!

In the world of entertainment, affirmation of streaming TV’s big role in the industry.  Amazon (AMZN) and Netflix (NFLX) were both big winners in last night's Golden Globe awards.  Amazon's new show, "Transparent," is the first online program to take the Best TV Comedy or Musical award. And star Jeffrey Tambor wins as best actor Not to be outdone, Netflix's "House of Cards" star Kevin Spacey picking up the Best Actor in a TV Drama.

And the Nasdaq (NDAQ) may be pulling a Darth Vader and heading to the dark side.  The Wall Street Journal reporting the exchange is talking with banks about running their so-called "dark pools."