BANGKOK, Feb 28 (Reuters) - Thailand's benchmark stock index was up 3.05 points, or 0.37 percent, at 835.09 points in thin trade at 0323 GMT on Thursday as ousted Prime Minister Thaksin Shinawatra returned home from 18 months in exile.

Thai stock investors would trade very cautiously as they assessed the impact of Thaksin's return, analysts said.

See [ID:nBKK133206] for details

Stocks and factors to watch:

- Charoen Pokphand Foods <CPF.BK> fell 0.44 percent to 4.56 baht after the company posted a bigger than expected 49 percent fall in 2007 net profit to 1.27 billion baht.

See [ID:nBAK000257] for table

0323 GMT

- Banpu <BANP.BK>, Thailand's top coal miner, fell 1.6 percent to 480 baht des[ite the firm reporting a better-than-expected 69 percent rise in quarterly earnings due to rising coal prices and the sale of its stakes in two firms.

See [ID:nBKK240868] for full story

0324 GMT

- Siam Makro PCL <MAKR.BK> was unchanged at 99 baht after the leading hypermarket chain reported a 5.6 percent rise in 2007 earning to 1.29 billion baht, in line with market forecasts.

See [ID:nBKK312929] for table

0324 GMT

- Bangkok Expressway PCL <BECL.BK>, Thailand's top tollway operator, was unchanged at 21.90 baht after reporting a 8.9 percent fall in 2007 net profit that beat analyst forecasts.

See [ID:nBAK000256] for table

0325 GMT

- Hypermarket operator Big C Supercenter PCL <BIGC.BK> jumped 3.37 percent to 46 baht, having hit a two-week high 46.25 baht after reporting a better-than-expected 17.8 percent rise in 2007 net profit as strong sales helped offset rising costs.

See [ID:nBKK307214] for full story

0326 GMT

- Contractor Seafco PCL <SEAF.BK> fell 0.86 percent to 5.75 baht after posting a 86 percent drop in 2007 net profit to 22.7 million baht.

0330 GMT

- For the Thai press digest click on [ID:nBKK71098]

- For Thailand's IPO diary click on <TH/IPOMENU>

- For Thailand's stock exchange news click on [TH-SET]

- For Thailand corporate earnings: [TH-RES-RTRS]

- For Thailand economic forecast: [POLL-ECI-TH-RTRS] ($1=31.98 Baht) (Reporting by Ploy Chitsomboon; Editing by Michael Battye) (([email protected]; +662 648 9735, Reuters Messaging: [email protected]))

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