Major Japanese companies are expected to see their combined net profits for the year ending March to surpass 47 trillion yen ($312 billion) and hit a fresh record-high, a survey showed Monday, as economic activity continues to recover from the coronavirus pandemic and exporters receive a boost from a weak yen. Strong performances among the country’s blue-chip firms have apparently been a factor behind money being drawn in from foreign investors, pushing the benchmark Nikkei stock index up to all-time highs since late last week. The net profits of 1,430 companies listed on the Tokyo Stock Excha…