* Bitcoin marches higher +4.34% at 57.2k, Monday's range 57.4k-54.5k

* BTC rise may be tempered amid China corporate angst; hawkish Fed, BoE view

* Rise above minor Fib res at 56.3k bulls target early May highs by 59.5k

* Upbeat BTC ETF tones aid bullish tone, abv 60k eyes April high at 64.9k

* Rising 10-DMA by 52.6k supports as recent resistance by 53k flips to supt

* Fri's IMM data: BTC short rose to -1,518 contracts, specs sell into strength

* Flat on day holds by 6-wk low at 0.063, key supt by 50% Fib at 0.056

(Paul Spirgel is a Reuters market analyst. The views expressed are his own) ((paul.spirgel@thomsonreuters.com))