The ASX 200 closed 0.4 per cent higher at a new record as investors piled into miners and banks ahead of Tuesday's RBA rates decision. The central bank is tipped to reduce interest rates after holding steady at the previous meeting and shocking markets. Meanwhile, the big winners of the day were lithium producers, buoyed by the closure of a major Chinese mine, while JB Hi-Fi was sold off despite announcing a solid increase in profit and a special dividend for investors.