[HK leads Asia down with tech hurt by US China Telecom ban] Stock markets dropped Wednesday with tech firms in the firing line after China Telecom was banned from the United States, while Germany’s downgrade to its growth outlook also weighed on sentiment. Traders were largely unmoved by further record-high closes for the Dow and S&P 500 on Wall Street Tuesday. Oil markets slid Wednesday but remained around multi-year highs on expectations about surging demand and concerns over supplies. A strong corporate earnings season has provided some much-needed support to investors in recent weeks as companies showed resilience in the…