S&P 500 falls, Shanghai Comp tumbles on new rules

Markets were mostly lower on Tuesday.

The S&P 500 fell 0.7 percent and the Nikkei 225 fell 0.4 percent.

However, the STOXX Europe 600 edged up 0.1 percent.

The Shanghai Composite tumbled 2.0 percent after the State Administration for Market Regulation issued draft rules on Tuesday aimed at stopping unfair competition on the internet.