(Reuters) -Business software provider Salesforce forecast third-quarter revenue below Wall Street estimates on Wednesday, as clients dial back spending on its enterprise cloud products due to macroeconomic uncertainty.

The cloud software provider also announced a $20 billion increase to its existing share buyback program, bringing the total to $50 billion.

Shares of the San Francisco, California-based company fell more than 4% in trading after the bell. The stock has lost more than 24% of its value so far this year.

Enterprises are postponing their large IT spending plans due to a weakening global economy amid ongoing macroeconomic and geopolitical issues.

At the same time, investors have been on the heels of cloud firms to show returns on the billions poured into artificial intelligen

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