The Financial Post reports in its Friday edition that pay for top executives at U.S. companies is about to get a lot more scrutiny under a new Securities and Exchange Commission rule. A Bloomberg dispatch to the Post says that publicly traded firms will have to disclose more details about how senior managers are paid, including performance incentives, the SEC said on Thursday. The rule, which has been delayed for years, aims to clarify how a company's financial impacts an executive's pay. Shareholder advocates have for years sought greater disclosure around executive pay, arguing that it should correspond to how well a firm is performing financially. Current disclosures, they say, do not provide enough detail for investors about the incentives that often make up a large chunk of top managers' overall compensation.