Three Themes for 2021: An iShares & MSCI Investing Symposium The ETF industry will come together on Monday, November 16, 2020, for the Three Themes for 2021: An iShares & MSCI Investing Symposium, a unique half-day online conference that's complimentary for financial advisors. At this year's conference, three cutting edge virtual panels will address some of the biggest trends and opportunities in the markets today.