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Nike CEO linked to coach in doping scandal, TD Ameritrade cuts commissions to zero, No breakthrough in GM strike

Here's a look at some of the companies the Yahoo Finance team will be watching for you.

Newly released emails are linking Nike's (NKE) CEO to a doping scandal involving a running coach. The emails show Mark Parker was briefed on several occasions about Alberto Salazar's experiments involving performance enhancing drugs. Salazar has now been barred for 4-years from track and field. Nike says Parker had quote "no idea" that Salazar's tests were "outside any rules."

TD Ameritrade (AMTD) is following Charles Schwab's (SCHW) lead and cutting its trading commissions to zero. The company will be eliminating commissions from its online stock, ETF, and options trading on U-S stocks. This change will cut its $6.95 per trade charge to $0. Competitor Charles Schwab made a similar announcement just hours before.

The United Auto Workers union rejected an offer from General Motors (GM) that would have ended the more than two-week long strike. The union is saying that GM fell short on their offer for wages, healthcare, and temp workers. The strike has caused GM to pause production in Silao, Mexico, and lay off 6 thousand workers.

Juul is adding more big names to its staff The e-cig maker is bringing over Joe Murillo, its 2nd top exec from Altria (MO) in an attempt to help fix its relationship with regulators as teen vaping numbers continue to rise. Murillo will become Juul’s chief regulatory officer, after working at Altria for 24 years. Altria currently has a 35% stake in Juul.

Coca-Cola (KO) Energy is on its way to the US. Coke has cleared a legal battle with Monster Beverage Corp. that will now allow the beverage giant to sell Coca-Cola's energy drinks in the United States. These drinks are already available in 25 countries, including Japan and Australia.