BEIJING • China's securities regulator called for talks with its American counterpart after the United States Securities and Exchange Commission (SEC) halted the initial public offerings (IPOs) of Chinese companies amid a nearly US$1 trillion (S$1.35 trillion) share sell-off last week. The China Securities Regulatory Commission (CSRC) is seeking to step up communication with the SEC to find a suitable resolution, it said in a statement on Sunday, after the US regulator said it would suspend Chinese IPOs until companies improved their risk disclosures. The Chinese watchdog called for mutual respect and collaboration on the issue. In response to Beijing's…