[Top 20 U.S. stock turnover: jpmorgan Chase is expected to sell oil at $150 / barrel; Amazon is spending $4 billion to challenge Microsoft] jpmorgan Chase closed up 0.49%, trading $1.019 billion. Jpmorgan warned over the weekend that the recent spike in oil prices could continue, leading to higher energy costs. Brent crude could rise as high as $150 a barrel; Amazon closed up 1.67 percent to $5.94 billion. Amazon will invest up to $4 billion in cash in artificial intelligence startup Anthropic as it ramps up its AI cloud footprint.