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Companies to Watch: Amgen makes a big deal, Toyota rolls out electric vehicles, Tesla may raise prices in China

Here are the companies the Yahoo Finance team is watching for you today.

A huge deal in big pharma. Amgen (AMGN) is buying the psoriasis treatment Otezla from Celgene (CELG). The price tag is $13.4 billion dollars in cash. The sale is part of efforts to win regulatory approval for Bristol Myers to take over Celgene. Amgen says the purchase will give it another medication that compliments its portfolio of treatments, which also includes psoriasis drug Enbrel.

Toyota (TM) is looking to give a big jolt to next year's olympics in Tokyo. The automaker plans to provide more than 3,700 vehicles. Most of them will be electrified in some way. That includes buses, cars and scooters. Toyota says the move will give the Tokyo games the lowest carbon emissions level ever for an official olympic fleet.

Tesla (TSLA) says it will be raising the price of its vehicles in China at the end of this week. The company is also considering a second price increase in December, should Chinese tariffs on U.S. made cars take effect.

Singapore based ride-sharing and logistics company Grab has announced an investment of "several hundred million dollars" in Vietnam. This comes just weeks after a $2 billion investment plan was announced for Indonesia. Grab was the most downloaded ride-sharing app in Vietnam in the first half of 2019. A quick reminder here: Uber has a 23% stake in Grab.

Get ready for a Disney (DIS) and Target (TGT) collaboration. The dynamic duo announced yesterday that Disney will open 25 Disney stores inside some Target locations. At least 40 more stores are planned to open by October 2020. The store will have over 450 items of Disney, Pixar, Marvel and Star Wars merchandise. This crop of openings is happening nationwide on October 4th.