As on 1st August 2014 Sun, Jupiter & Mercury in Cancer, Rahu & Moon in Virgo, Saturn & Mars in Libra, Ketu in Pisces and Venus in Gemini. Planetary transits in August: 17th Sun -> Leo, 7th Venus -> Cancer, 12th Mercury -> Leo, 29th Mercury -> Virgo, and 31st Venus -> Leo.
The planetary positions given above are at the time of Sunrise in India(Kerala) and Moon's conjunction effects on markets may be seen in countries (Asia / Europe / US) over which conjunction(0°)take places. When the angle difference between Moon and the planet is more than 5 degrees or conjunction occurs in Rasis(constellations) other than the Sun's Rasi, there may be a delay up to 24 hours in the conjuntion effect according to their positions. As Moon conjuncts with Mars and Venus on market holidays there won't be any downward movement in Nifty in this aspect.