Portage Biotech (PRTG) returned -58.6% in December 2000.

Portage Biotech (PRTG) returned -24.5% in January 2000.

Portage Biotech (PRTG) returned 175% in November 1999.

Diversified Energy (DEC) had the highest return between January 1, 2019 and December 31, 2023 by a US stock, returning 13,424,200%.

Portage Biotech (PRTG) returned 4.2% in December 1999.

Sorry, I couldn't find pricing data for that day. The closing price for the Dow Jones Industrial Average (DJI) on Friday was $43,275.91. It was up 0.2% for the day. The latest price is $42,900.18.

Portage Biotech (PRTG) returned -26.3% in August 1999.

Portage Biotech (PRTG) returned -5% in July 1999.

Portage Biotech (PRTG) returned -13% in June 1999.

Portage Biotech (PRTG) returned 3.3% in May 1999.

Portage Biotech (PRTG) returned 0% in April 1999.

Portage Biotech (PRTG) returned 135.7% in March 1999.

Portage Biotech (PRTG) returned -99.9% in 1999.

Portage Biotech (PRTG) returned -40% in February 1999.

Portage Biotech (PRTG) returned -100% in January 1999.