Take context from the input text and decide on the accurate relationship between 'National Semiconductor' and 'Texas Instruments' from the options provided.
Options: owned by, parent organization, developer, owner of

National Semiconductor rose 7.4 percent, or $1.74, to $25.39 and Texas Instruments shares added 3.6 percent, or $1.11, to $32.09, also on the Big Board.
owned by