Market 10 things you need to know before the opening bell Updated : September 18, 2018 08:20 AM IST Asia shares fell on Tuesday after US president Donald Trump said he will impose tariffs on an additional $200 billion worth of Chinese imports. All three major US indexes fell on Monday, with the tech-heavy Nasdaq posting its biggest percentage loss since late July. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.