The Tokyo Stock Exchange extended its regular trading hours by 30 minutes from Tuesday as part of its efforts to make the bourse more attractive to foreign investors. It is the first extension of trading hours in 70 years. With the change, the market will operate from 9 a.m. to 3:30 p.m. with an hourlong lunch break, according to Japan Exchange Group Inc., the parent of the bourse’s operator. The extension is also aimed at giving investors more time to trade in case of any trouble such as a system outage, according to the bourse, which has nearly 4,000 listed companies. The TSE suffered an all…