Newport Marine Services is trading at IDR 108.00, down 10.74%, with no clear catalyst identified. - Market data also reports a decline of IDR 13.00 (-10.74%) at the October 16 close. - No clear company-specific announcement explaining the sell-off was identified; previously reported second-quarter revenue weakness predates the move. - Supplied market-index readings are flat, so available evidence does not establish a broader-market driver.