SA readers got excited about the expansion of the NFT market last week. Bolstered by its involvement in a deal with the NFL players' union, Polygon (MATIC-USD) became one of the most-added cryptocurrencies, according to an analysis of portfolio additions and deletions. Elsewhere, new IPO Samsara (NYSE:IOT) represented one of the most-added stocks to SA portfolios. Readers also showed a preference for HP (NYSE:HPQ), as the tech giant hovered near its 52-week high. On the other side of the spectrum, frustration with the lagging cannabis sector manifested itself in the dropping of both Canopy Growth (NASDAQ:CGC) and Aurora Cannabis (NASDAQ:ACB). An NFL NFT bet on Polygon A strategic blockchain agreement with DraftKings (NASDAQ:DKNG) brought attention to Polygon (MATIC-USD). Earlier this month, DKNG leveraged a deal with the NFL Players Association to bring NFTs to market. With its connection to this process, Polygon (MATIC-USD) became one of the most-added cryptos in