(Kitco News) - The gold market continues to face solid selling pressure as prices have been unable to break through initial resistance at $4,200, and the precious metal is unlikely to attract renewed bullish momentum as activity in the U.S. services sector remains resilient.The Institute for Supply Management (ISM) announced on Monday that its Services Purchasing Managers Index fell to 54.0 in June after posting a reading of 54.5 in May. The headline figure was broadly in line with consensus for