The technology-heavy Nasdaq Composite Index gained 25.75 points , or 1.5 percent , to 1,746.46 , its highest close in about 15 months .

The technology-laced Nasdaq Composite Index .IXIC was down 1.55 points , or 0.09 percent , at 1,744.91 .

Please tell me if the sentences above mean the same.
Options are: --no. --yes.
no