* HSI -0.9%, HSCE -1.1%, CSI300 -0.5%
* FTSE China A50 -0.1%
Jan 29 (Reuters) - Hong Kong stocks ended lower on Friday, though the index posted its fourth consecutive monthly gain - the longest winning streak since early 2019 - as mainland buying hit a monthly record via the Stock Connect linking it and the Asian financial hub.
** The Hang Seng index closed 0.9% lower at 28,283.71, while the China Enterprises Index lost 1.1% to 11,208.78 points.
** For the week, both HSI and HSCE declined 4%, amid worries over persistent onshore tight liquidity conditions that sparked speculation the People’s Bank of China (PBOC) may be tightening policy.