Markets were flat yesterday, yet Riot Blockchain, Inc., ZIM Integrated Shipping Services Ltd., Novavax, Inc. showed impressive gains and made this list of top gainers.

Markets completed a mixed session yesterday, as Nasdaq shed 0.43% and closed at 12,032. Dow Jones ended the session at 33,700 after a 0.29% gain.

Current market events are being influenced by ambiguous macro data as United States API Weekly Crude Oil Stock came out at 377,000, while a consensus of analysts was expecting -1.3 million.

Despite yesterday's flat session, several stocks are managing to post notable gains. Take a look at the market's Top Gainers:

XP | Closed +12.43% at $12.3

Having set a significant high of $29.61 1 year, 1 day ago, the Brazilian wealth manager is trading 63.05% lower. So far this year, it has been doing worse than the Nasdaq by 25.81%. The Brazilian wealth manager's market cap currently stands at $6.89 billion with an average daily volume of 6.42 million shares. XP is forecasted to generate revenues of $638.66 million and EPS of 31 cents.

Novavax | Closed +13% at $9.04

Having soared to a high of $76.12 approximately 9 months ago, the US biotechnology company is now trading 89.49% lower. So far this year, it has been under-performing the Nasdaq by 22.18%. The company is currently trading with a market cap of $779 million with an average daily trading volume of 5.80 million shares. Novavax's last revenue report was $357.40 million with an EPS of $-2.28.

+13.5%: ZIM Integrated Shipping Services Ltd. levels up 13.5% in yesterday's session; traders eye opening bell in 2 hours time

An influx of buyers helped the global container industry company to end the session higher around $20, while establishing a $17.9 to $20.1 session range yesterday. Currently, the global container industry company has a market capitalization of $2.40 billion with an average daily trading volume of 6.59 million shares.

+17%: pre-market trading leads Riot Blockchain, Inc. to drop to $12.13 (a 2.02% change) after ending yesterday at $12.38

After closing yesterday at $12.38, the Bitcoin miner peaked at $12.55 before giving up early gains and closing at $12.38. Currently, the US large-scale Bitcoin miner has a market capitalization of $2 billion with an average daily volume of 24.52 million shares.