Shares of BILL Holdings (BILL -1.61%) were gaining last month as the stock benefited from the Federal Reserve's rate-cut announcement. After the company announced a round of layoffs, it committed to controlling costs to raise profits.As a result, the stock gained 25% last month, according to data from S&P Global Market Intelligence. As you can see from the chart below, the stock gained in steps on a few occasions last month. Bill prepares to earn moreBill stock jumped 4% on Dec. 1 to start the month followi ...