One Stop Systems is trading at $7.54, down 5.16%, as U.S. markets sell off; Reuters cited rising oil prices and Treasury yields near multi-year highs stoking inflation concerns. - The Nasdaq Composite is down 1.43%, providing broader risk-off context. - On October 8, the company announced a $1 million follow-on defense order, its ninth from this customer and nearly $5 million cumulatively; the positive news does not explain the decline.