Discovery, Palantir rise; Nikola, Ameren fall
NEW YORK (AP) - Stocks that moved heavily or traded substantially Wednesday:
Discovery, up $1.05 to $28.26
Oprah Winfrey sold most of her stake in OWN to the media company, news outlets reported.
Nikola, down $1.80 to $15.03
The electric vehicle maker said it was discontinuing its collaboration with Republic Services on developing garbage trucks.
Palantir Technologies, up 65 cents to $28.69
The data and software company signed a new two-year contract with the United Kingdom's National Health Service.
Cloudera, up 36 cents to $15
The provider of data management services announced a new credit facility that will be used to fund stock repurchases.
Ambac Financial, up 38 cents to $16.83
The company agreed to buy a majority stake in Xchange Benefits, which provides international insurance underwriting,
Marathon Oil, up 50 cents to $6.81
Energy companies rose more than the rest of the market as crude oil prices climbed.
Humana, up $16.65 to $405.09
The health insurance company announced an accelerated stock buyback program.
Ameren, down 83 cents to $75.72
Ameren Missouri, a subsidiary of the St. Louis-based company, bought its first wind farm.