* HSI +1.8%, HSCE +1.4%, CSI300 +3.2% * FTSE China A50 +4.2% May 25 (Reuters) - Hong Kong stocks rose on Tuesday, posting their best session in nearly two months, as fears around inflation faded, while solid gains on the mainland also boosted risk appetite. ** At the close of trade, the Hang Seng index was up 1.75% at 28,910.86, marking its biggest daily percentage gain since April 1. The Hang Seng China Enterprises index rose 1.42% to 10,792.63. ** The sub-index of the Hang Seng tracking energy shares rose 1.2%, while the IT sector rose 1.97%, the financial sector ended 1.42% higher and the ...