All eyes are on the crop of blue-chip stocks as they ready themselves for the earnings season. Investors will be curious to know how these billion-dollar companies are coping with the twin worries of high inflation and surging interest rates. As you scrutinise their financial numbers, you should keep a close watch on the net profits and free cash flow that each business generates. Many blue chips have a practice of raising their dividends to reward shareholders if they report a higher year on year net profit. For income-driven investors, such an announcement will be music to their ears. Let’s review five of these blue-chip names to determine if they have what it takes to increase their dividends. DBS Group (SGX: D05) DBS needs no introduction, being Singapore’s largest bank by market capitalisation. The lender has reported a stellar set of earnings for 2022 as higher interest rates helped to boost its net interest income....