Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, Dec. 19:

MongoDB, Inc. (MDB Quick QuoteMDB - Free Report) : This provider of a database platform has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 27% over the last 60 days.

MongoDB’s shares gained 31.2% over the last three months compared with the S&P 500’s advance of 1.1%. The company possesses a Momentum Score  of A.

Hallador Energy Company (HNRG Quick QuoteHNRG - Free Report) : This steam coal company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 84.9% over the last 60 days.

Hallador Energy’s shares gained 20% over the last six months compared with the S&P 500’s advance of 13.5%. The company possesses a Momentum Score of A.

Invesco Ltd. (IVZ Quick QuoteIVZ - Free Report) : This publicly owned investment manager has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 6.6% over the last 60 days.

Invesco’s shares gained 17.4% over the last three months compared with the S&P 500’s advance of 1.1%. The company possesses a Momentum Score of A.

See the full list of top ranked stocks here

Learn more about the Momentum score and how it is calculated here.