* BTC dips 1.75% to 48.7k, Tuesday range 49.9k-48.3k

* Bitcoin slips away from Tuesday's 3-week high at 50.6k

* Resistance at 51k's 61.8% Fib of 50.6k-29.3k caps for now

* Golden cross (10-DMA over 200-DMA) beginning to flatten, may mute gains

* Supt at 200-DMA by 46k,, then Aug 19 low 43.9k,

* Bears gain momentum below 39.9k, the 50% Fib of 50.6k-29.3k

* US infrastructure bill w/crypto provisions goes to House may temper rise

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