There are times throughout the year where it is an especially powerful time to daven, or there is a time in someone’s life where they need a special prayer said.
Segula for Parnossah -- this Tuesday, Feb. 7 - 9th of Shevat- week of Parshas Beshallach.
There is segulah for parnossah from Rabbi Menachem Mendel of Rimanov, to say Parshas Ha'Mon twice with the Targum (sh'nayim mikra ve'echad Targum), on Tuesday of Parshas BeShalach which this week.
Parshas Ha'Mon can be found in an artscroll Siddur right after Shacharis.
The Targum can be found in a chumash.
Parshas Ha'Mon describes how the Hashem sent the Mon (Manna) to Bnai Yisrael in the desert.