Mumbai: Key Indian equity indices opened flat Tuesday as index pivotals — finance and banking stocks — witnessed selling pressure. However, oil and gas sector gained. Also Read Piyush Goyal to expand India-Greece trade, investment cooperation 12 hours ago CertIn warns against malware campaign spreading through WhatsApp web 14 hours ago The S&P BSE Sensex … Continue reading Sensex, Nifty open flat; financials in red