Tesla (NASDAQ: TSLA) Battery Day did not have the fancy frills or dramatic music that other company events have used in the past, but it did have a clear-cut message: cell costs are decreasing, and Tesla’s lead is expanding. The event gave ARK Invest enough of a reason to load up on more shares of … Continue reading Tesla (TSLA) shares snatched up by ARK after Battery Day: “It’s going to be hard to catch up”