Dhaka, June 16 -- Bangladesh's economy gained momentum in May, as reflected in the Purchasing Managers' Index (PMI), which rose by six points from April to reach 58.9 - signaling a strong rebound following a three-month slowdown since February, according to the latest PMI report.The PMI, a widely used forward-looking indicator of economic trends, signifies expansion when it reads above 50 and contraction when it falls below that threshold.The May improvement was fueled by increased activity in agriculture, manufacturing, and services. In contrast, the construction sector showed no change in its rate of expansion.Agriculture extended its growth streak to an eighth consecutive month, with faster growth recorded across new orders, business act...