Investors are hoping for a year-end rally, but Barclays cautions: the midterm elections won't clear the gloom over the stock marketAI revenue and financing are the two mountains weighing on it.

Zhitong Finance APP has learned that investors hoping the U.S. midterm elections will clear the way for a year-end stock market rally may be disappointed. The biggest forces currently weighing on the stock marketdoubts about returns on artificial intelligence (AI) and the cost of financing its buildoutwill not be resolved by this election.