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: Experienced a 292% gain in 2017 as a Canadian medical grower.

: Frequently cited as a top "marijuana" buy due to its FDA-track medical developments, though not a traditional penny stock.

: Gained 7,100% in the first half of the year, reaching $0.18.

: Achieved a 954.4% gain by August 2017.

The following stocks were recognized for the highest percentage returns during various periods of 2017:

: Recorded a staggering 7,150% gain by August 2017, rising from $0.02 to $1.45.

: Saw returns of 4,690.9% by August, though it experienced extreme volatility, dropping 52.6% in a single day shortly after.

Analysts at the time, such as those from Money Morning and Fox Business , highlighted these as top picks: